408 Annals of the Carnegie Museum. 



Plate XXVI. 



Fig. 6i. .interior aspect of the os furcuhim of the " Cahow " of the Ber- 

 mudas (--E. vociferans) ; subfossil ; nat. size. Coll. Amer. Mus. Nat. Hist, 

 (extinct). 



Fig. 62. Anterior aspect of the os furcuhim of " Pnffinus major " (No. 

 17799, Coll. U. S. Nat. Mus.) ; nat. size. 



Fig. 63. Left lateral view of the pelvis of the " Cahow " of the Bermudas. 

 Adult ; nat. size. JEstrelata vociferans, sp. nov. Coll. Amer. Mus. Nat. Hisc. 



Fig. 64. Left lateral view of the pelvis of Audubon's Shearwater (Puffinus 

 Ikerminieri) {"Puffinus obscurus," No. 17724, Coll. U. S. Nat. Mus.); nat. 

 size. Compare with Fig. 63 and note the differences between the pelves of 

 a Petrel and a Shearwater. 



Fig. 65. Right carpometacarpus of a " Cahow " of the Bermudas, {^s- 

 trelata vociferans) ; nat. size ; anconal aspect. From an adult bird. Coll. 

 Amer. Mus. Nat. Hist. 



Fig. 66. Right carpometacarpus of the " Cahow " of the Bermudas {^s- 

 trelata vociferans) . Adult; nat. size; palmar aspect. Subfossil. Coll. Amer. 

 Mus. Xat. Hist. 



Figs. 65 and 66 may or may not have belonged to the same bird ; very 

 probably not. 



Fig. 6y. Right carpometacarpus of Puffinus parvus, sp. nov. (extinct). 

 Bermuda Islands. McGall Coll. Anconal aspect; nat. size; adult (sex ?). 



Fig. 68. Left lateral oblique view of the os furculum of Puffinus gavius ; 

 adult; nat. size. (No. 18286, Coll. U. S. Nat. Mus.). Aukland Museum. 

 F. F. Cheeseman, Collector. Barrier Island. 



Figs. 69, 70. Ossa furcula of the " Cahow " of the Bermudas {JEstrelata 

 vociferans, sp. nov., extinct) ; nat. size ; left lateral oblique view. Adults. 

 Col. Amer. Mus. Nat. Hist, (sex ?). 



Fig. 71. Anconal aspect of the right proximal phalanx of the index digit 

 of the pectoral limb of the "Cahow" of the Bermudas. Nat. size; adult. 

 (^. vociferans, sp. nov.) Coll. Amer. Mus. Nat. Hist. 



Fig. 72. Palmar aspect of the proximal phalanx of the index digit of the 

 left pectoral limb of JEstrelata vociferans, sp. nov.; nat. size; adult; subfossil 

 (extinct). Bermuda Islands. Coll. Amer. Mus. Nat. Hist. 



Fig. 73. Anconal aspect of the proximal phalanx of the index digit of the 

 left pectoral limb of Audubon's Shearwater {Puffinus Iherminieri) , "Puffinus 

 obscurus," No. 17724, Coll. U. S. Nat. Mus., C. Mailer, Coll., Bermudas. 

 Nat. size ; adult. 



Fig. 74. Palmar aspect of the proximal phalanx of the index digit of the 

 right pectoral limb of Puffinus parvus, sp. nov. (extinct). Bermudas. McGall 

 collection. Nat. size; adult. Compare with fig. 73. 



Fig. 75. Palmar aspect of the pollex digit of the right pectoral limb of the 

 "Cahow" {^. vociferans, sp. nov. extinct). Nat. size; adult. Coll. Amer. 

 Mus. Xat. Hist. 



